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class Person{
public String name;
public int age;
public Person(String name,int age){
this.name=name;
this.age=age;
}
public void getInfo(){
System.out.println(name);
System.out.println(age);
}
}
class Student extends Person{
public Student(String name,int age){
//调用父类构造器
super(name,age);
}
public void study(){
System.out.println("学习");
}
public static void main(String[] args){
Person p=new Person("小米",21);
p.getInfo();
Student c=new Student("小兰",20);
c.getInfo();
c.study();
}
}